1368564 has 24 divisors (see below), whose sum is σ = 3249120. Its totient is φ = 448224.

The previous prime is 1368547. The next prime is 1368599. The reversal of 1368564 is 4658631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (135380).

2^1368564 is an apocalyptic number.

It is an amenable number.

1368564 is an abundant number, since it is smaller than the sum of its proper divisors (1880556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1368564 is a wasteful number, since it uses less digits than its factorization.

1368564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999 (or 1997 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 1368564 is about 1169.8564014442. The cubic root of 1368564 is about 111.0252357199.

The spelling of 1368564 in words is "one million, three hundred sixty-eight thousand, five hundred sixty-four".